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Author Topic: Weird Weather and anecdotal stories about climate change  (Read 771577 times)

Lewis

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Niall Dollard

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3151 on: June 15, 2020, 01:31:10 AM »
'I've never experienced this before. It's a disaster'

Extreme storm in Calgary, Canada.

https://www.cbc.ca/news/canada/calgary/calgary-storm-flooding-hail-1.5611619

kassy

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3152 on: June 15, 2020, 01:50:47 PM »
Some impressive pictures in there.
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vox_mundi

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3153 on: June 18, 2020, 03:23:36 PM »
Massive Sahara Dust Plume Headed for Southeastern US, Could Bring Sensational Sunsets
https://phys.org/news/2020-06-massive-sahara-plume-southeastern-sensational.html



A large cloud of Saharan dust will blanket the southeast next week, making for dry weather and beautiful sunsets.

.. Right now the cloud is in the middle of the Atlantic Ocean and is expected to drift over the U.S. by next Tuesday, the Houston Chronicle reported. It will most likely sap some of the humidity from the air, the Chronicle said.

... "The dust is the visible part of the reduced tropical development potential area," Myers said. "It is the dry air and additional vertical wind shear along with the dust that are the driving factors in limiting tropical storm development."

"The dust signifies a very dry layer in the atmosphere, and hurricanes don't like dry air," reports Michigan's MLive.

Moreover, the dry spell could linger for a week or so after the cloud disseminates, MLive said.

The forecast through next week is for a series of high-pressure systems over the Gulf and Atlantic to act as a conveyor belt, steering the dust into Texas through the June 19-21 period

“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late

Sigmetnow

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3154 on: June 22, 2020, 11:46:40 PM »
Quote
Ada Monzón (@adamonzon)6/22/20, 8:30 AM
8 am: Preliminary measurements from #SaharanDust in #PuertoRico are between 350-380 ug/m3 (PM10) and AQI estimated 173-237: VERY UNHEALTHY.
According to Dr. Olga Mayol, @UPR_Oficial this is a historic event in PR, unseen in 50-60 years. Image from #Villalba Osvaldo Burgos.
https://twitter.com/adamonzon/status/1275043526104006662 
People who say it cannot be done should not interrupt those who are doing it.

blumenkraft

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« Reply #3155 on: June 24, 2020, 10:28:03 AM »
« Last Edit: June 24, 2020, 01:42:24 PM by kassy »
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bluice

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3156 on: June 25, 2020, 09:41:45 AM »
Not many have heard about the flash flooding in Mongolia, I presume.

https://news.mn/en/793077/

Quote
Flash flood in central Mongolia kills two and caused major loss

Flash flood in central Mongolia kills two and caused major loss
Heavy rain fell in the Tuv and Gobi-Sumber Provinces and caused flash flooding at the weekend. Two people in the Sergelen Soum of Tuv Province were killed by the deluge while herding their livestock. According to the meteorological agency, Zuunmod Soum of Tuv Province recorded 51 mm of rainfall. The flash flood killed 409 livestock, destroyed 53 fences and washed away 10 vehicles. During the incident, a sub-power station in Tuv Province was damaged and 400 homes lost their electricity.

In addition, the major roads connecting Ulaanbaatar and Mandalgobi and Undurkhaan cities were also damaged. Also, part of the structure of the newly-constructed road between Ulaanbaatar and Khushig Valley International Airport was destroyed. A total of 2.8 km of railway between Ulaanbaatar and Choir has been washed away in flooding. In all, 461 people with over special vehicles are working to repair the railway which is expected to re-open tomorrow night.

Although the story doesn't mention it I know other parts of the railroad are still damaged and unusable.

vox_mundi

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3157 on: June 25, 2020, 10:01:02 PM »
700-km Brazil 'Megaflash' Sets Lightning Record: UN
https://phys.org/news/2020-06-km-brazil-megaflash-lightning.html

The UN's weather agency announced Thursday the longest lightning bolt on record—a single flash in Brazil on October 31, 2018 that cut the sky across more than 700 kilometers.

That is equivalent to the distance between Boston and Washington DC in the United States, or between London and Basel, Switzerland, the World Meteorological Organization said in a statement.

WMO's committee of experts on weather and climate extremes also reported a new world record for the duration of a lightning flash, with a single flash that developed continuously over northern Argentina on March 4, 2019 lasting for a full 16.73 seconds.

The new "megaflash" records, which were verified with new satellite lightning imagery technology, were more than double the previous known record-holders, WMO said.

The previous record for the longest detected distance for a single lightning flash was 321 kilometers (199 miles), measured on June 20, 2007 in the US state of Oklahoma, WMO said.

The previous duration record was 7.74 seconds, measured on August 30, 2012 in southern France, it said.

Megaflashes, he said, "are defined as horizontal mesoscale lightning discharges that reach hundreds of kilometers in length."

The UN agency occasionally reveals quirky weather-related milestones, like in 2016 revealing a record wave measurement of a behemoth that towered 19 meters (62.3 feet)—taller than a six-storey building—above the North Atlantic.

All such records are stored in the WMO Archive of Weather and Climate Extremes.

https://public.wmo.int/en/resources/bulletin/wmo-archive-of-weather-and-climate-extremes
“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late

kassy

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3158 on: July 06, 2020, 01:02:50 PM »
Japan floods: Country braces for more rain as death toll rises

Japan is bracing for more heavy rain after a weekend of flooding left at least 37 people dead.

...

Another 30cm (12 inches) of rain is expected in the next two days.

BBC Tokyo correspondent Rupert Wingfield-Hayes says that, while it is normal for Western Japan to bear the brunt of the rains sweeping out from the tropics during monsoon season, the last two days have seen truly extraordinary amounts of rain falling over the island of Kyushu.

...

Japan's Meteorological Agency said such rainfall had never been seen before in the region.

On Saturday night, the Kuma river burst through its levees in numerous places inundating low-lying settlements.

https://www.bbc.com/news/world-asia-53304726
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bluice

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3159 on: July 10, 2020, 12:23:59 PM »
Wuhan is having the full 2020 experience

https://www.scmp.com/news/china/society/article/3092627/covid-19-and-now-floods-wuhan-first-epicentre-pandemic-braces

Quote
Covid-19 and now floods: Wuhan, first epicentre of the pandemic, braces again

Having weathered one major storm in 2020, in the form of an unprecedented health crisis, the central Chinese city faces another
Local residents and officials batten down the hatches as heavy rainfall swells the Yangtze River

Wuhan in central China is bracing for potentially devastating floods as intense downpours pound the surrounding region, threatening the metropolis of over 11 million people with a second disaster as it recovers from the Covid-19 outbreak.
Hubei province, of which Wuhan is the capital, has been hit by at least seven rounds of heavy rain since early June. Each of those has produced average cumulative rainfall of 55.3cm (21.8 inches) and flooded several cities, prompting the provincial government to raise its emergency response to the second-highest tier.

Phoenix

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3160 on: July 12, 2020, 06:00:33 AM »
It's weird that any place in the NH is forecast to get colder than -10C this summer weekend. Check it out.

https://www.windy.com/-Temperature-temp?temp,34.083,85.580,5,m:eEDaijr

I'm guessing the cold is primarily at pretty high Himalayan altitude.


Tony Mcleod

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3161 on: July 12, 2020, 07:02:05 AM »
You have your flag pinned in the coldest point of the Himalayas so its a pretty good bet. ;)

oren

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3162 on: July 12, 2020, 09:06:09 AM »
It's weird that any place in the NH is forecast to get colder than -10C this summer weekend.
That's weird because?
Is that different from other summer weekends in years past? I assume you checked.

Alphabet Hotel

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3163 on: July 16, 2020, 05:00:31 AM »
This heat wave is going to be epic. Headed for the Great Lakes next.

kassy

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3164 on: July 16, 2020, 02:08:25 PM »
That 5 degree jump is pretty shocking even if it is Fahrenheit.
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The Walrus

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3165 on: July 16, 2020, 03:31:25 PM »
This heat wave is going to be epic. Headed for the Great Lakes next.

The Great Lakes has been in a two-week long heat wave already.  The forecast is for slightly cooling temps (~5F) in the coming week.

KiwiGriff

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3166 on: July 18, 2020, 05:52:26 AM »
500 year rainfall event just north of me .
220 millimetres of rain fell in Whangārei from 7pm last night until around 7am this morning.
Quote
"So to put that in perspective, that kind of event - getting 220mm of rain overnight - it has a return period of more than 500 years. So we're expecting that once in 500 years."
https://www.tvnz.co.nz/one-news/new-zealand/clean-up-begins-after-whang-rei-gets-220-millimetres-rain-overnight-metservice-says
Last summer was a  historic drought here we did have water restrictions  .
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vox_mundi

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3167 on: August 11, 2020, 01:46:43 AM »
Derecho With 100 mph Winds Approaches Chicago As It Moves Across the Midwest
https://amp.cnn.com/cnn/2020/08/10/weather/derecho-forecast-chicago-severe-storms/index.html

A line of severe storms on Monday approached downtown Chicago, where a severe thunderstorm warning was in effect.

The storms have produced winds as high as 100 mph as they moved through Iowa and Illinois.

The storms are part of what the National Weather Service's Storm Prediction Center called a "particularly dangerous situation."

Tornado warnings are in effect west of Chicago.

More than 500,000 homes and businesses in the Midwest are without power, including a third of all of customers in Iowa.

The storms are part of a derecho that was moving out of Iowa into northern Illinois, toward Chicago, and that prompted the Storm Prediction Center to issue a PDS thunderstorm watch through 7 p.m. CT Monday.



...THIS IS A PARTICULARLY DANGEROUS SITUATION...

   * Primary threats include...
- Widespread damaging winds and scattered significant gusts to 100 mph likely
- Isolated large hail events to 1.5 inches in diameter possible
-  A couple tornadoes possible

  SUMMARY...A derecho will rapidly progress across eastern Iowa and northern Illinois this afternoon. Widespread severe wind gusts, some of which should reach 80-100 mph are anticipated along the track of the bow. Brief tornadoes are also possible.

The severe thunderstorm watch area is approximately along and 85 statute miles north and south of a line from 20 miles west southwest of Cedar Rapids IA to 75 miles south southeast of Racine WI. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6)

https://www.spc.noaa.gov/products/watch/ww0426.html

------------------------------

Destructive Derecho Blasts Chicago With Winds Over 70 mph; More Than 1 Million Lose Power In Upper Midwest
https://www.washingtonpost.com/weather/2020/08/10/damaging-derecho-takes-aim-chicago-area-with-dangerous-winds-up-100-mph/

https://mobile.twitter.com/weatherdak/status/1292944227685371905



By Monday evening, more than 1 million people were without power in the wake of the storms from eastern Nebraska to northern Illinois as the storms raced eastward into southern Michigan. The storms also crossed Indiana, causing wind damage there, and moved into Ohio near 8 p.m. ET.

Iowa was hardest hit. Several locations clocked wind gusts exceeding 112 mph, while gusts between 75 and 85 mph were common, tearing apart metal silos like a sheet of paper. The storm’s intensity marginally waned as it headed east, but Chicago’s Midway Airport clocked a gust to 73 mph.



As of 8 p.m., Doppler radar indicated that the most intense winds in the derecho had passed Fort Wayne, Ind., and were pushing into northwestern Ohio. Severe weather associated with the same line of thunderstorms extended southwest to St. Louis, Mo., and north into Michigan.

https://twitter.com/bill_line/status/1292897459622928384

Satellite imagery of the impending derecho was revealing on Monday afternoon. Overshooting tops could be seen as bubbles in the overcast along the eastern limb of the cloud mass where intense thunderstorm updrafts lurk. Rippling outward from them were gravity waves, akin to wavelets in a pond, indicating extreme turbulence nearby.

Particularly impressive were the tendril-like high clouds and transverse banding within it — appearing as strips of shading radially outward from the center — illustrating healthy outflow, or storm exhaust, at the upper levels. That’s a common feature on satellite associated with strong hurricanes.

... On the eastern shores of Lake Michigan in southwest Michigan, the derecho was predicted to generate large waves and push high water ashore, prompting a lakeshore flood warning.

https://mobile.twitter.com/nbcchicago/status/1292932371679973383

Numerous reports of significant winds, and at times extreme winds, have been received from across the Corn Belt:

112 mph near Midway, Iowa
106 mph near La Grand, Iowa, measured by personal weather station
100 mph near Hiawatha, Iowa
99 mph at Marshalltown Municipal Airport
99 mph near Albion, Iowa
95 mph estimated near Marshalltown, Iowa
91 mph near Marshalltown, Iowa
90 mph in Atkins, Iowa
90 mph in Blairstown, Iowa
86 mph in Davenport, Iowa
85 mph in Moline, Ill.
78 mph at Ankeny Airport
75 mph at Des Moines airport
72 mph at Midway Airport in Chicago


In Iowa, gusts above 80 mph were ubiquitous with the line of destructive storms.

In Cedar Rapids, Iowa, an eyewitness on social media described “utter destruction.” The Iowa Department of Transportation reported that Interstate 35 and other roads were blocked due to overturned vehicles and storm damage between Cedar Rapids and Iowa City.

https://twitter.com/grabermike/status/1292884786130964481

https://mobile.twitter.com/ashoward1/status/1292938287296974856

https://mobile.twitter.com/WxKanost/status/1292908577162776577
« Last Edit: August 11, 2020, 12:54:22 PM by vox_mundi »
“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late

vox_mundi

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3168 on: August 11, 2020, 05:07:17 PM »
The “Flat Corn” Derecho of August 10, 2020
https://www.woodtv.com/weather/particularly-dangerous-situation-derecho/amp/



... Millions of acres of corn has been blown down. If that wasn’t bad enough, many grain elevators and bins were damaged or destroyed as well.



https://twitter.com/burgwx/status/1292987562571771905

https://mobile.twitter.com/TylerJRoney/status/1292974851993604096

A seiche or meteotsunami occurred on Lake Michigan this evening. The water level rose 1.5 FEET at Benton Harbor:



The strong winds from a line of thunderstorms push the water toward the Michigan shore. The water level rises at a fairly rapid rate. You can get caught out on the piers and breakwaters. As the storm passes, the water sloshes back toward the Illinois and Wisconsin shore. As it does, strong currents are possible, moving from the shore to the west and out toward open water. On July 4, 2003, seven people drowned when caught in currents following a severe thunderstorm in St. Joseph Michigan.
“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late

dnem

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3169 on: August 11, 2020, 07:43:52 PM »
v-m, the linked article says "Tens of thousands of acres of corn was destroyed in the derecho, mainly across Iowa and Illinois. If that wasn’t bad enough, many grain elevators and bins were damaged or destroyed as well."

Not millions of acres.

The June 2012 derecho rolled directly over my house and it was one of the most dramatic meteorological events I've ever experienced.
https://en.wikipedia.org/wiki/June_2012_North_American_derecho
« Last Edit: August 11, 2020, 07:55:54 PM by dnem »

vox_mundi

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3170 on: August 11, 2020, 09:17:00 PM »
Sorry dnem, I had multiple tabs open on the same subject and combined info. I do all my work on a smartphone and it gets congested sometimes.  I also fact check and correct reporting errors ...

------------------------------------

Powerful Storm Leaves 1 Dead, Heavy Crop Damage in Midwest
https://www.washingtonpost.com/national/powerful-derecho-leaves-path-of-devastation-across-midwest/2020/08/10/61dbca08-db69-11ea-b4f1-25b762cdbbf4_story.html?outputType=amp

IOWA CITY, Iowa — Hundreds of thousands across the Midwest remained without power on Tuesday after a powerful storm packing 100 mph winds battered the region a day earlier, causing widespread damage to millions of acres to crops and killing a 73-year-old woman found clutching a young boy in her storm-battered mobile home.

... Farmers reported that some grain bins were destroyed and corn fields were flattened by the storm. Iowa Gov. Kim Reynolds said early estimates indicate 10 million acres have been damaged in the nation’s top corn producing state. That would be nearly a third of the nearly 31 million acres of land used for crops in the state. The most significant damage is to the corn crop, which is in the advanced stages of development nearly a month away from the beginning of harvest.

“This morning I had a farmer reach out to me to say this was the worst wind damage to crops and farm buildings that he has ever seen across the state in such a wide area,” Reynolds said

-------------------------------------

DES MOINES, Iowa —
Gov. Kim Reynolds issued a disaster proclamation Tuesday for several counties heavily impacted by the derecho that passed through Iowa on Monday.

... Gov. Reynolds said early estimates indicate around 10 million acres of crop damage.

https://www.kcci.com/amp/article/gov-kim-reynolds-issues-emergency-proclamation-for-six-counties/33574873

------------------------------

It traveled more than 770 miles and left more than 1 million people in the dark


Time lapse radar image





About 80% of all U.S. derechos happen during the months of April, May, June, July, and August. More than 60% happen just during the months of May, June and July. That’s because these wind storms need big-time heat, humidity and “energy” (referred to as CAPE). The late spring and first half of summer are usually when these ingredients all come together
« Last Edit: August 11, 2020, 10:46:50 PM by vox_mundi »
“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late

oren

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3171 on: August 12, 2020, 05:38:32 AM »
Quote
I do all my work on a smartphone
I'm very impressed V_M, with your rate of posts and high level of editing and formatting.

nanning

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3172 on: August 12, 2020, 08:24:59 AM »
I was impressed too. Never used a smartphone myself but it has no keyboard and such a small screen. Vox, does your home Internet connection work? Were you referring to yourself with "no pay for a week"? (ok, off-topic question, sorry)
I am also impressed with the quality and significance of your posts. End of massage :).
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dnem

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Re: Weird Weather and anecdotal stories about climate change
« Reply #3173 on: August 12, 2020, 12:51:36 PM »
Sorry dnem, I had multiple tabs open on the same subject and combined info. I do all my work on a smartphone and it gets congested sometimes.  I also fact check and correct reporting errors ...

A minor error and verified by your other sources. And as the others have said, you make great contributions here. And that you do it all on a phone is almost inconceivable!

dnem

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